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... and i have no idea what they need an IC for |
looking it up, appears to be some sort of timer? |
looks to be a constant current driver circuit |
hence hte inductor. |
and lack of any power resistors. |
High vs low beam on that one likely only differs by optics (wide spread vs road only) |
nah both high and low beam light all the LEDs at the same brightness |
(and probley the side beams turn on for high beams) |
.. lol all the leds? |
yea at least one led is supposed to turn on/off |
Looking at the traces im not even sure thats possible |
Looks possible to me, assuming those two components under the orange/blue wire are diodes |
Black is ground, orange is low beam, blue is high. |
diodes have three contacts not two |
Pretty sure those are just surface mount resistors |
@cube that pcb is awful, why did they limit the sinking capability |
never seen so much copper left out for no reason before |
is that solder bridge on purpose, and is that a through hole diode used as smd? |
It looks like an smd diode? |
That bridge looks suspect |
yeah looks like it is an smd diode, just looked weird to me |
has pads on the end, looked like it could have been snipped leads to me at first |
why dont you wick the solder bridge and see what happens |
Hi there, having trouble identifying the problem with my yamaha pw-x mid drive unit. Seems the pedals/cranks have lost all resistance from the motor/drive i.e. I can spin the motor continuously with the pedals without any resistance and thus the bike does not go forward. |
This happened on a steep mountain climb, something snapped and suddenly I was freewheeling üò¶ |
not fimilar with that unit, but chances are you fried the freewheel |
if the chain moves and pedaling does not move you forward, its the rear wheel freewheel |
if the chain does not move, and pedaling does not move you forward, its one in the mid drive. |
If the chain does not move, and pedaling does move you forward, cool.... |
> If the chain does not move, and pedaling does move you forward, cool.... |
lol |
Alternatively, if pedaling does nothing, but the chain moves on its own... |
:Pikachu: |
The chain does not move while pedaling. I'll look into the freewheel in the drive. Thanks. |
Does anyone know why does my brake make this sound? |
what kinda breaks are they, and does it happen if your not trying to push the bike forward/back? |
It doesn’t happen if I don’t push it front and back |
Resin disc brake |
Only happens when complete stop |
sounds like they are just snapping back under force when released |
Somethings loose? |
could be, or just the flex of the fork/brake mounts |
ah I see |
I’ll try to tighten everything up tomorrow and see if it still makes the sound |
try and force the brake caliper around by hand |
or yea just blindly check all the bolts that works too |
(even better really) |
also double check to make sure you still have brake pads |
last itme my brakes got noisy, the pads where worn down to the backing pad (but only at the bottom, you could still see some pad if you looked at the top..) |
ah okay |
Also my rotor said resin pad only |
What happens if I get another type of pad |
I’ll try to get resin if I can |
It will wear down much faster |
ah okay üëå I thought it wouldn‚Äôt work as well or something |
other pads are harder and last longer, don't bite as well, but wear rotors faster (on account of being harder) |
@Lychwee if you figure it out please do tell, I've had a sound that is 99% the same, but I have completely different components. |
alright i'll let you know |
This thing gave me a flat today, go big or go home, lol. (Thankfully my bike has a center kickstand and I have a well stocked kit I bring with on every ride, so I was patched and riding in just a few minutes.) |
ooo nice 1 |
damnn |
yea I don't think my armored tires would have saved me üòõ |
damn AP nails. |
someone needs to nerf those. |
Too powerful, pls dull |
https://youtu.be/x7hNaeP1OYA |
LiThIuM SaFeTy Is ImPoRtAnT |
thats lifepo4 üòõ |
and a 10 year old cell that has all the energy density of a nimh |
https://youtu.be/WnZuMfq6kec?t=90 |
@cube |
@cnrd you wouldn’t believe it but I applied some pressure to my front fender and the sounds gone lol |
Poor poor Marathon Plus |
Look at that traction |
(it was already dead) |
mmm yes slicks |
I think I'll try a Tour instead |
front wheel drive is the hardest on tires |
as they slip quite a bit |
^^^ |
Nice brakes there |
I need to be more on top of my brake pads |
me irl |
~~brake pad~~ bare metal go SCREEEEEEEE |
Those magura ones wear so fast |
The stock organic ones I mean |
Yeah I'm going to try the ebike ones |
That or I'll just go directly to Kool stop |
Anything else people can recommend? |
I'm using random aliexpress pads |
That are like magura's semi metal endurance pad |
@cnrd I’ve had good luck with disco brakes. Super cheap too. |
https://www.ebay.com/itm/4-Pairs-8-pcs-Copper-Free-DiscoBrakes-Magura-MT5-Disc-Brake-Pads-MT-5-Enduro-DH/203001312433?hash=item2f43d234b1:g:BScAAOSwk-Ne-OeJ |
But they have other compounds too. |
Or https://www.discobrakes.com |
Thanks! |
Is this just pads getting old or |
Could also be contamination of the brake pads |
Or overheating but that is less likely on the rear |
Can I just ride it out or do I need new pads |
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